django.db.migrations.exceptions.InconsistentMigrationHistory: Migration admin.0001_initial is applie

Traceback (most recent call last):
File "manage.py", line 15, in <module>
execute_from_command_line(sys.argv)
File "D:\Pythonlearning\lib\site-packages\django\core\management\__init__.py", line 371, in execute_from_command_line
utility.execute()
File "D:\Pythonlearning\lib\site-packages\django\core\management\__init__.py", line 365, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "D:\Pythonlearning\lib\site-packages\django\core\management\base.py", line 288, in run_from_argv
self.execute(*args, **cmd_options)
File "D:\Pythonlearning\lib\site-packages\django\core\management\base.py", line 335, in execute
output = self.handle(*args, **options)
File "D:\Pythonlearning\lib\site-packages\django\core\management\commands\migrate.py", line 82, in handle
executor.loader.check_consistent_history(connection)
File "D:\Pythonlearning\lib\site-packages\django\db\migrations\loader.py", line 291, in check_consistent_history
connection.alias,
django.db.migrations.exceptions.InconsistentMigrationHistory: Migration admin.0001_initial is applied before its dependency user.0001_initial on database 'default'.

解决办法：

原因在于：没有将app在INSTALLED_APP注册就执行了migrate指令，发生错误

可以删除库中的表，重新执行Python manage.py makemigrations及python manage.py migrate；

成功